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Maintenance machinist vs numerical control operator

The differences between maintenance machinists and numerical control operators can be seen in a few details. Each job has different responsibilities and duties. While it typically takes 2-4 years to become a maintenance machinist, becoming a numerical control operator takes usually requires 1-2 years. Additionally, a maintenance machinist has an average salary of $52,077, which is higher than the $38,280 average annual salary of a numerical control operator.

The top three skills for a maintenance machinist include CNC, grinders and hand tools. The most important skills for a numerical control operator are calipers, micrometers, and math.

Maintenance machinist vs numerical control operator overview

Maintenance MachinistNumerical Control Operator
Yearly salary$52,077$38,280
Hourly rate$25.04$18.40
Growth rate1%-8%
Number of jobs83,04285,068
Job satisfaction5-
Most common degreeHigh School Diploma, 31%High School Diploma, 43%
Average age4843
Years of experience42

What does a maintenance machinist do?

A Maintenance Machinist is responsible for implementing and maintaining industrial machinery. Their primary duties include investigating and diagnosing equipment failures and performing corrective actions.

What does a numerical control operator do?

A numerical control operator is responsible for monitoring machinery and managing computer-generated equipment to produce tools and components from various mechanical resources. Numerical control operators must have extensive knowledge with the technology and mechanical industry to perform basic troubleshooting and detect malfunctions during operations. A numerical control operator duties' also include inspecting equipment setup and finished products, ensuring high-quality parts, reviewing blueprints, following client's specifications for making adjustments, and adhering to the safety guidelines and procedures required by the business.

Maintenance machinist vs numerical control operator salary

Maintenance machinists and numerical control operators have different pay scales, as shown below.

Maintenance MachinistNumerical Control Operator
Average salary$52,077$38,280
Salary rangeBetween $36,000 And $74,000Between $29,000 And $50,000
Highest paying CityKent, WATualatin, OR
Highest paying stateWashingtonWest Virginia
Best paying companyCity of SeattleBWX Technologies
Best paying industryTechnologyAutomotive

Differences between maintenance machinist and numerical control operator education

There are a few differences between a maintenance machinist and a numerical control operator in terms of educational background:

Maintenance MachinistNumerical Control Operator
Most common degreeHigh School Diploma, 31%High School Diploma, 43%
Most common majorPrecision Metal WorkingBusiness
Most common college--

Maintenance machinist vs numerical control operator demographics

Here are the differences between maintenance machinists' and numerical control operators' demographics:

Maintenance MachinistNumerical Control Operator
Average age4843
Gender ratioMale, 94.0% Female, 6.0%Male, 89.0% Female, 11.0%
Race ratioBlack or African American, 4.3% Unknown, 3.7% Hispanic or Latino, 14.5% Asian, 6.6% White, 70.3% American Indian and Alaska Native, 0.5%Black or African American, 4.8% Unknown, 5.4% Hispanic or Latino, 14.7% Asian, 6.0% White, 68.1% American Indian and Alaska Native, 0.9%
LGBT Percentage3%6%

Differences between maintenance machinist and numerical control operator duties and responsibilities

Maintenance machinist example responsibilities.

  • Manage and perform programming of CNC mills, lathes and EDM equipment, instrumentation, data acquisition and control systems.
  • Set up and operate machine tools, mills, lathes, radial drills, vertical turret lathe, and surface grinders.
  • Certify with, and task with training others in, SolidWorks and CamWorks.
  • Set up and run lathes, mills, I.D.
  • Program, set-up, and run HAAS VF-3 milling center.
  • Used various micrometers for measuring.
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Numerical control operator example responsibilities.

  • Perform trial runs on new CNC programs, working with programming and tooling to achieve satisfactory parts.
  • Set up and run vertical milling machines and Mori-Seiki lathes
  • Calculate dimensions and tolerances using knowledge of mathematics and instruments such as micrometers and calipers
  • Set up and operate machine turning tools (lathes, MAZAK).
  • Used manual and CNC mills (HAAS), lathes (HAAS) and (OKUMA) and surface grinders.
  • Mill and lathe g-code programming.
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Maintenance machinist vs numerical control operator skills

Common maintenance machinist skills
  • CNC, 11%
  • Grinders, 9%
  • Hand Tools, 7%
  • Calipers, 6%
  • Manual Lathes, 5%
  • Machine Tools, 4%
Common numerical control operator skills
  • Calipers, 12%
  • Micrometers, 9%
  • Math, 6%
  • Lathe Machines, 6%
  • Hand Tools, 6%
  • Safety Standards, 4%

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